(Optional) Enables NHRP group debugging
operations.
group
(Optional) Enables NHRP activity debugging.packet
(Optional) Enables NHRP rate limiting.rate
(Optional) Enables NHRP routing debugging
operations.
routing
Command Default
NHRP debugging is not enabled.
Command Modes
Privileged EXEC (#)
Command History
ModificationRelease
This command was introduced.Cisco IOS XE Denali 16.3.1
Usage Guidelines
In Cisco IOS XE Denali 16.3.1, this command supports only IPv4; the IPv6-nbma-address argument
although available on the switch, will not work if configured.
Note
Use the debug nhrp detail command to view the NHRP attribute logs.
The Virtual-Access number keyword-argument pair is visible only if the virtual access interface is available
on the device.
Examples
The following sample output from the debug nhrp command displays NHRP debugging output for IPv4:
Switch# debug nhrp
Aug 9 13:13:41.486: NHRP: Attempting to send packet via DEST 10.1.1.99
Aug 9 13:13:41.486: NHRP: Encapsulation succeeded. Tunnel IP addr 10.11.11.99
Aug 9 13:13:41.486: NHRP: Send Registration Request via Tunnel0 vrf 0, packet size: 105
Aug 9 13:13:41.486: src: 10.1.1.11, dst: 10.1.1.99
Aug 9 13:13:41.486: NHRP: 105 bytes out Tunnel0
Aug 9 13:13:41.486: NHRP: Receive Registration Reply via Tunnel0 vrf 0, packet size: 125
Aug 9 13:13:41.486: NHRP: netid_in = 0, to_us = 1
Related Commands
DescriptionCommand
Displays NHRP mapping information.show ip nhrp
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
146
debug nhrp